Q42.9

Congenital absence, atresia and stenosis of large intestine, part unspecified

Billable / specificHCC V28 78POA exempt

Q42.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from Q42)

  • congenital obstruction, occlusion and stricture of large intestine
  • Note: Codes from this chapter are not for use on maternal records

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from Q42)

Also known as

  • Absence, intestine, large, congenital
  • Agenesis, colon
  • Agenesis, intestine, large
  • Atresia, atretic, colon
  • Atresia, atretic, intestine, large
  • Hypoplasia, hypoplastic, colon
  • Hypoplasia, hypoplastic, intestine, large
  • Impervious, intestine, large
  • Obstruction, obstructed, obstructive, intestine, congenital, large
  • Stenosis, stenotic, colon, congenital
  • Stenosis, stenotic, intestine, congenital, large
  • Stricture, colon, congenital
  • Stricture, intestine, congenital, large

Parent code

  • Q42Congenital absence, atresia and stenosis of large intestineHeader

Related codes

  • Q42.0Congenital absence, atresia and stenosis of rectum with fistulaBillable
  • Q42.1Congenital absence, atresia and stenosis of rectum without fistulaBillable
  • Q42.2Congenital absence, atresia and stenosis of anus with fistulaBillable
  • Q42.3Congenital absence, atresia and stenosis of anus without fistulaBillable
  • Q42.8Congenital absence, atresia and stenosis of other parts of large intestineBillable

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